CN205218137U - Spiral bit with can replace drill bit - Google Patents
Spiral bit with can replace drill bit Download PDFInfo
- Publication number
- CN205218137U CN205218137U CN201490000304.1U CN201490000304U CN205218137U CN 205218137 U CN205218137 U CN 205218137U CN 201490000304 U CN201490000304 U CN 201490000304U CN 205218137 U CN205218137 U CN 205218137U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- longitudinal axis
- slender axles
- slit
- feed screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000002360 explosive Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000237970 Conus <genus> Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G15/00—Boring or turning tools; Augers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/902—Having central lead-screw
Abstract
The utility model provides a spiral bit with can replace drill bit, includes slender axles, drill bit, feeds spiral and locking fastener. The partly extension at least of axle is followed including recess, this recess to the axle for the axis of ordinates with the form of spiral. The axle still includes first slot and second slot. The neighbouring first end of first slot is on a parallel with the axis of ordinates and extends and align with the axis of ordinates. Drill bit detachably holds in the second slot, and including first edge. It includes handle and screw thread portion to feed the spiral. Handle detachably holds in first slot. Feed the screwed joints drill bit in order to fix the drill bit for the axle. The locking fastener is installed in epaxial to the joint is in the handle that feeds the spiral, with the spiral that feeds fixed for the axle.
Description
The cross reference of related application
This application claims the priority of the U.S. Provisional Patent Application 61/759,861 of the CO-PENDING submitted on February 1st, 2013, its full content is incorporated herein by reference.
Background technology
The utility model relates to cutting element, and relates more specifically to a kind of augers.
Traditional auger comprises axle, the helicla flute that this axle has cut end and extends along this axle, to remove the material cut out from hole.After long-term use, the cut end of auger can be worn and torn, thus reduces the efficiency of auger.
Summary of the invention
In one embodiment, the utility model provides a kind of augers, comprises slender axles, drill bit, feed screw and locking fastener.The longitudinal axis that slender axles have first end, the second end and extend between described first end and described second end.Described axle comprises groove, and this groove is in spiral form relative at least partially extension of the described longitudinal axis along described axle.Described axle also comprises the first slit and the second slit.The contiguous described first end of described first slit is parallel to the described longitudinal axis and extends and align with the described longitudinal axis.The contiguous described first end of described second slit is essentially perpendicular to the described longitudinal axis and extends.Described drill bit is removably contained in described second slit, and comprises the first edge.Described feed screw comprises handle and threaded portion.Described handle is removably contained in described first slit.Described feed screw engages described drill bit, to fix described drill bit relative to described axle.Described locking fastener is installed on described axle, and is engaged in the described handle of described feed screw, to fix described feed screw relative to described axle.
In another embodiment, the utility model provides a kind of augers, and this augers comprises slender axles, drill bit, feed screw, the first securing member and the second securing member.The longitudinal axis that described slender axles have first end, the second end and extend between described first end and described second end.Described axle comprises groove, and this groove extends relative to the part of the described longitudinal axis along at least described axle in spiral form.Described axle also comprises the first slit and opening, and the contiguous described first end of described first slit is parallel to the extension of the described longitudinal axis and aligns with the described longitudinal axis.The contiguous described first end of described opening arranges and limits opening shaft, and described opening shaft is essentially perpendicular to the described longitudinal axis.Described drill bit is removably installed in described first end, and comprises the opening of cut edge and the described register with described axle.Described feed screw comprises handle and threaded portion, and described handle is removably contained in described first slit.Described first securing member is installed on described axle, and engages the described handle of described feed screw, to fix described feed screw relative to described axle.Described second securing member is contained in the described opening of described drill bit and the described opening of described axle, to be mounted on the described first end of described axle by described drill bit.When described feed screw is arranged in described first slit, described drill bit can remove from described axle.
In another embodiment, the invention provides a kind of augers, comprise slender axles, feed screw, drill bit and locking fastener.The longitudinal axis that described slender axles have first end, the second end and extend between described first end and described second end, described axle comprises groove, and this groove is in spiral form relative at least partially extension of the described longitudinal axis along described axle.Described axle also comprises the first slit, the second slit and opening.The contiguous described first end of described first slit is parallel to the described longitudinal axis and extends and align with the described longitudinal axis.The contiguous described first end of described second slit is essentially perpendicular to the described longitudinal axis and extends.Described opening extends from described first slit with the direction being substantially perpendicular to the described longitudinal axis.Described feed screw comprises handle and threaded portion, and described handle is removably contained in described first slit.Described drill bit is removably contained in described second slit on the direction of the described longitudinal axis being parallel to described axle.Described drill bit is engaged in described feed screw, and described drill bit is fixed relative to described axle by described feed screw.Described drill bit comprises cut edge, be arranged on Part I on the side of described feed screw and the Part II on the relative side being arranged on described feed screw.Described locking fastener is removably contained in described opening.Described locking fastener engages the described handle of described feed screw, to fix described feed screw relative to described axle.
By reference to detailed description and accompanying drawing, other aspects of the present invention will become obvious.
Accompanying drawing explanation
Fig. 1 is the perspective view of the augers according to a kind of embodiment;
Fig. 2 is the zoomed-in view of the cut end of the augers of Fig. 1;
Fig. 3 is the zoomed-in view at the back side of the cut end of the augers of Fig. 1;
Fig. 4 is the explosive view of the cut end of the augers of Fig. 1;
Fig. 5 is the end-view of the cut end of the augers of Fig. 1;
Fig. 6 is the side view of the cut end of the augers of Fig. 1;
Fig. 7 is the side view of the cut end of the augers of Fig. 1;
Fig. 8 is the sectional view that augers end-view that Fig. 5 shows is cut open along 8--8;
Fig. 9 is the perspective view of the augers according to another kind of embodiment;
Figure 10 is the zoomed-in view of the cut end of the augers of Fig. 9;
Figure 11 is the explosive view of the augers of Fig. 9;
Figure 12 is the side view of the augers of Fig. 9;
Figure 13 is the end-view of the cut end of the augers of Fig. 9;
Figure 14 is the sectional view that augers end-view that Figure 13 shows is cut open along 14--14;
Figure 15 is the perspective view of the augers according to another kind of embodiment;
Figure 16 is the zoomed-in view of the augers of Figure 15;
Figure 17 is the explosive view of the augers of Figure 15;
Figure 18 is the side view of the augers of Figure 15;
Figure 19 is the end-view of the cut end of the augers of Figure 15;
Figure 20 is the sectional view that augers end-view that Figure 19 shows is cut open along 20--20;
Figure 21 is the zoomed-in view of the augers according to another kind of embodiment;
Figure 22 is the explosive view of the augers of Figure 21;
Figure 23 is the side view of the augers of Figure 21;
Figure 24 is the zoomed-in view of the augers according to another kind of embodiment;
Figure 25 is the side view of the augers according to another kind of embodiment;
Figure 26 is the zoomed-in view of the augers according to another kind of embodiment;
Figure 27 is the perspective view at the back side of the augers of Figure 26;
Figure 28 is the explosive view of the augers of Figure 26;
Figure 29 is the side view of the augers of Figure 26.
Before detailed explanation any embodiment of the present invention, it is to be appreciated that the present invention is not limited to the layout of CONSTRUCTED SPECIFICATION that is that describe in the following description or that show in the accompanying drawings and assembly in its application.The present invention can have other embodiments and realizes by different way or implement.It is also to be appreciated that this adapt to phrase and term be for illustration of object, and therefore should not be considered as restriction." comprise " as used herein, " comprising " and " having " and modification thereof refer to and comprise listed thing and equivalent thereof and additives thereafter.
Detailed description of the invention
Fig. 1 with Fig. 2 shows a kind of augers 10 used together with electric tool (such as drilling machine, electric drill, screwdriver etc.).As shown in Figure 1 to Figure 3, augers 10 comprises and is roughly columniform axle 14, feed screw 18, drill bit 22 and locking piece 26 (see Fig. 3).Axle 14 comprises in the tool holder or chuck that first end or workpiece engaging end 30, second end or rear end 32 (see Fig. 1) and groove 34, second end or rear end 32 be configured to be contained in electric tool.Axle 14 limits the longitudinal axis 38 (see Fig. 1) extending to the second end 32 from first end 30.Groove 34 extending from first end 30 to the second end 32 in a helical pattern relative to the longitudinal axis 38 at least partially along axle 14.
See Fig. 4, axle 14 comprises hole or the first slit 46, and hole or slit 46 align with the longitudinal axis 38 and extend towards the second end 32.Axle 14 also comprises the second horizontal through-shaft 14 of slit 48, second slit 48 and extends perpendicular to the longitudinal axis 38.Feed screw 18 to be arranged in the first slit 46 and to stretch out from axle 14.In other embodiments, feed screw 18 and axle 14 can have other relative orientations.Axle 14 also comprises opening 54, and opening 54 is crossing with the first slit 46, and extends (but also can arrange with angle of inclination if necessary) on the direction being generally perpendicular to the longitudinal axis 38.
In the embodiment shown in Fig. 4, the handle 62 that feed screw 18 comprises conical thread 58 and is connected with threaded portion 58.Threaded portion 58 comprises screw thread, and this screw thread from the tip 70 of feed screw 18 radially outward and helically extend around threaded portion 58, to be threadedly engaged with workpiece.The configuration (size, shape, pitch, quantity etc.) of screw thread and the shape of threaded portion 58 or profile can change, and can be specific application (material that such as will cut) customization.In addition, threaded portion 58 comprises rib portion 74, and rib portion 74 adjoins handle 62 circumferentially extending at least partially around feed screw 18.Handle 62 is removably contained in the first slit 46 of axle 14, make rib portion 74 at least partially near axle 14.Handle 62 comprises tangent plane or otch 78, and tangent plane or otch 78 extend along the part on the surface of handle 62.In the embodiment shown, otch 78 is the plane (see Fig. 8) that the relative longitudinal axis 38 is formed with certain inclination angle, and this plane is alignd with the opening 54 of axle 14.
Drill bit 22 is removably supported in the second slit 48, and comprises cutting or promote edge 82 and body 86.In the embodiment shown, drill bit 22 is contained in the second slit 48 with the direction being substantially parallel to the longitudinal axis 38.Body 86 comprises at least in part around the opening 90 that handle 62 extends.In the embodiment shown, body 86 also comprises protuberance 94, and this protuberance 94 supplements or formed a part for the threaded portion 58 of feed screw 18.Rib portion 74 engages drill body 86 with relative to axle 14 fixed drill bit 22.See Fig. 5, body 86 around feed screw 18 a part and substantially the diameter of through-shaft 14 extend, a part for drill body 86 is arranged on the side of feed screw 18, and the Part II of drill body 86 is arranged on the relative side of feed screw 18.
As shown in Figure 6 and Figure 7, drill bit 22 follows the spiral profile of axle 14 usually, and the first end 30 that cut edge 82 adjoins axle 14 is arranged.Cut edge 82 extends with the direction perpendicular to the longitudinal axis 38 usually.In the embodiment shown, cut edge 82 and first end 30 offset to some extent, and cut edge 82 is raised relative to the surface of the axle 14 close to first end 30.In the embodiment shown, body 86 follows the spiral profile of axle 14, makes a part for the body 86 on the side of feed screw 18 have higher height, namely higher than the height of a part for body 86 on feed screw 18 relatively side.In other embodiments, body 86 has unified height.
As shown in Figure 8, locking mechanism 26 fixes feed screw 18 relative to axle 14, thus relative to axle 14 fixed drill bit 22.In the embodiment shown, locking mechanism 26 is dog screw 102, and this dog screw 102 is supported in the opening 54 of axle 14.To engage with the otch 78 on feed screw 18, to lock feeding screw thread 18 relative to axle 14 in dog screw 102 screw thread insertion opening 54.Dog screw 102 removes from opening 54 and removes the joint with feed screw 18, and feed screw 18 and/or drill bit 22 can be removed from axle 14.
Fig. 9 to Figure 14 shows the augers 210 according to a kind of selectable embodiment.Augers 210 is similar to the augers 10 described by Fig. 1 to Fig. 8, and the Reference numeral of wherein similar parts provides by add 200 on identical Reference numeral after.Difference between these two embodiments is below only described.
As shown in Fig. 9 to Figure 14, drill bit 222 comprises the first cut edge 282, body 286 and extends through the opening 290 (see Figure 11) of a part of body 286.In the embodiment shown, the diameter of the not laterally extending through-shaft 214 in cut edge 222, on the contrary, cut edge 222 extends through the radial component of axle 214.As shown in figure 11, body 286 comprises the sleeve pipe 288 with hole or opening 290, and hole or opening 290 are coaxially arranged substantially with the first slit 246 of axle 214.In some embodiments, opening 290 is circular; In other embodiments, opening 290 comprises smooth part.Feed screw 218 extends through opening 290, and dog screw 302 is threadably contained in the opening 254 of axle 214, and engages with the otch 278 on feed screw 218, fixes feed screw 218 with relative axle 214.As shown in Figure 12 to Figure 14, the first cut edge 282 extends beyond the outer peripheral edge of axle 214.
Figure 15 to Figure 20 shows the augers 410 according to a kind of selectable embodiment.Augers 410 is similar to the augers 10 described by Fig. 1 to Fig. 8, and the Reference numeral of wherein similar parts provides by add 400 on identical Reference numeral after.Difference between these two embodiments is below only described.
As shown in Figure 15 to Figure 20, drill bit 422 comprises the first cut edge 482, drill body 486 and extends through the opening 490 (see Figure 17) of a part of body 486.In the embodiment shown, the diameter of the laterally extending through-shaft 414 in cut edge 422.As shown in figure 17, opening 490 is formed as circular hole, and the first slit 446 of this circular hole and axle 414 is coaxially arranged substantially.In some embodiments, opening 490 is circular; In other embodiments, opening 490 comprises smooth part.Feed screw 418 is arranged in opening 490, and dog screw 502 is threadably contained in the opening 454 of axle 414, and engages with the otch 478 on feed screw 418, fixes feed screw 418 with relative axle 414.As shown in Figure 16, Figure 18 and Figure 19, the first cut edge 482 extends beyond the outer peripheral edge of axle 414.
Figure 21 to Figure 23 shows the augers 610 according to a kind of selectable embodiment.Augers 610 is similar to the augers 10 described by Fig. 1 to Fig. 8, and the Reference numeral of wherein similar parts provides by add 600 on identical Reference numeral after.Difference between these two embodiments is below only described.
As shown in Figure 21 to Figure 23, augers 610 comprises the longitudinal axis 638 relative to axle 614 with the second slit 648 of inclination angle or acute angle orientation.Drill bit 622 is contained in the second slit 648.Drill bit 622 is comprised the first cut edge 682 and the second cut edge, cut edge 684, first 682 and the second cut edge 684 and is isolated by the recess 690 receiving feed screw 618.First cut edge 682 and the second cut edge 684 offset to some extent, and the first cut edge 682 is raised relative to first end 630.
Drill bit 622 comprises the convex wall 688 of cutting, and the convex wall 688 of this cutting is arranged on the position close to the exterior section of drill bit 622 on the first cut edge 382.In another embodiment (see Figure 24), drill bit 622 does not comprise the convex wall 688 of cutting.In other embodiments, except the convex wall of cutting 688 on the first edge 384 or in order to replace the convex wall 688, second of the cutting on the first edge 684 edge 684 to comprise the convex wall of cutting.In addition, in one embodiment (see Figure 25), drill bit 622 comprises thicker body 686, makes the first cut edge 682 outstanding away from first end 630.Cut edge 682 can also stretch out in the direction being parallel to the longitudinal axis 638 or outstanding further, or to stretch out or outstanding from axle 614 in radial direction.
Figure 26 to Figure 29 shows the augers 810 according to a kind of selectable embodiment.Augers 810 is similar to the augers 10 described by Fig. 1 to Fig. 8, and the Reference numeral of wherein similar parts provides by add 800 on identical Reference numeral after.Difference between these two embodiments is below only described.
As shown in Figure 26 to Figure 29, drill bit 822 is installed on the axle 814 of augers 810 independent of feed screw 818.As shown in figure 26, drill bit 822 comprises the first cut edge 882, body 886 and extends through the opening 892 of thickness of body 886.Opening 892 aligns with the second opening 856 (see Figure 28) on the first end 830 being formed in axle 814.Body 886 is removably connected in the second slit 848.In the embodiment shown, the first end 830 that the second slit 848 adjoins axle 814 is arranged, but not crossing with the first slit 846 (see Figure 28), and does not extend laterally across axle 814.
See Figure 28, locking mechanism 826 comprises the first dog screw 902 and the second dog screw 910.First dog screw 902 is contained in the first opening 854, and is engaged in the otch 878 on feed screw 818, to fix feed screw 818 relative to axle 814 releasedly.Second dog screw 910 is contained in the opening 892 of drill body 886, and is engaged in the second opening 856 be formed in axle 814, thus relative to axle 814 fixed drill bit 822.In the embodiment shown, the second dog screw 910 comprises taper or conus portion 918, to guarantee that drill body 886 is correctly located relative to the second opening 856.Because drill bit 822 is arranged on axle 814 independent of feed screw 818, therefore drill bit 822 can be separated from axle 814 when not needing to remove feed screw 818.
It should be understood that feature disclosed in each embodiment above can be applied in other embodiments comparably.
Therefore, the invention provides a kind of augers.Although the present invention describes in detail by reference to specific preferred embodiment, change and amendment are present in the scope of described of the present invention one or more independent aspects with in design.
Claims (19)
1. an augers with replaceable drill bit comprises:
Slender axles, the longitudinal axis that these slender axles have first end, the second end and extend between described first end and described second end, described slender axles comprise groove, this groove is in spiral form relative at least partially extension of the described longitudinal axis along described slender axles, described slender axles also comprise the first slit and the second slit, the contiguous described first end of described first slit is parallel to the described longitudinal axis and extends and align with the described longitudinal axis, and the contiguous described first end of described second slit is essentially perpendicular to the described longitudinal axis and extends;
Drill bit, this drill bit is removably contained in described second slit, and described drill bit comprises the first cut edge;
Feed screw, this feed screw comprises handle and threaded portion, and described handle is removably contained in described first slit, and described feed screw engages described drill bit, to fix described drill bit relative to described slender axles; And
Locking fastener, described locking fastener is installed on described slender axles, and described locking fastener is engaged in the described handle of described feed screw, to fix described feed screw relative to described slender axles.
2. the augers with replaceable drill bit according to claim 1, wherein, the described second slit width through described slender axles straight extends, and wherein said drill bit inserts in described slit on the direction of the described longitudinal axis being parallel to described slender axles, described drill bit comprises and is positioned at Part I on the first side of the described longitudinal axis and the Part II on the relative side being positioned at the described longitudinal axis.
3. the augers with replaceable drill bit according to claim 1, wherein, described drill bit inserts in described second slit on the described acutangulate direction of longitudinal axis shape of relatively described slender axles, and described drill bit comprises and is positioned at Part I on the first side of the described longitudinal axis and the Part II on the relative side being positioned at the described longitudinal axis.
4. the augers with replaceable drill bit according to claim 3, wherein, described drill bit also comprises the second cut edge, and described first cut edge is arranged on the first side of the described longitudinal axis, and described second cut edge is arranged on the second side of the described longitudinal axis.
5. the augers with replaceable drill bit according to claim 1, wherein, described feed screw comprises rib portion, and this rib portion is close to the edge of described threaded portion, wherein said rib portion engages described drill bit, to be fixed in described second slit by described drill bit at least in part.
6. the augers with replaceable drill bit according to claim 1, wherein, described handle limits arbor, when described handle is arranged in described first slit, this arbor aligns with the described longitudinal axis, and described handle comprises tangent plane, and this tangent plane forms acute angle relative to described arbor, and wherein said locking fastener engages described tangent plane, so that described feed screw is fixed in described first slit.
7. the augers with replaceable drill bit according to claim 1, wherein, described drill bit comprises the sleeve pipe with opening, when described drill bit is arranged in described second slit, described opening aligns with the described longitudinal axis, and the described handle of wherein said feed screw extends through described opening.
8. the augers with replaceable drill bit according to claim 1, wherein, described first cut edge comprises convex wall, and the line that this convex wall is limited by described first cut edge vertically extends.
9. the augers with replaceable drill bit according to claim 1, wherein, described drill bit engages with the threaded portion of described feed screw, and forms a part for described threaded portion.
10. the augers with replaceable drill bit according to claim 1, wherein, described locking fastener is contained in the opening of described slender axles, described limited opening opening shaft, and this opening shaft is perpendicular to the described longitudinal axis of described slender axles.
11. augers with replaceable drill bit according to claim 1, wherein, described locking fastener is contained in the opening of described slender axles, described limited opening opening shaft, and this opening shaft forms acute angle relative to the described longitudinal axis of described slender axles.
12. augers with replaceable drill bit according to claim 1, wherein, described first cut edge and the surface offsets close to the described first end of described slender axles.
13. 1 kinds of augers with replaceable drill bit comprise:
Slender axles, the longitudinal axis that these slender axles have first end, the second end and extend between described first end and described second end, described slender axles comprise groove, this groove is in spiral form relative at least partially extension of the described longitudinal axis along described slender axles, described slender axles also comprise the first slit and opening, and the contiguous described first end of described first slit is parallel to the extension of the described longitudinal axis and aligns with the described longitudinal axis, the contiguous described first end of described opening arranges and limits opening shaft, and described opening shaft is essentially perpendicular to the described longitudinal axis;
Drill bit, this drill bit is removably installed in described first end, and described drill bit comprises the opening of cut edge and the described register with described slender axles;
Feed screw, this feed screw comprises handle and threaded portion, and described handle is removably contained in described first slit;
First securing member, this first securing member is installed on described slender axles, and described first securing member engages the described handle of described feed screw, to fix described feed screw relative to described slender axles; And
Second securing member, this second securing member is contained in the described opening of described drill bit and the described opening of described slender axles, so that described drill bit is mounted on the described first end of described slender axles, wherein when described feed screw is arranged in described first slit, described drill bit can remove from described slender axles.
14. augers with replaceable drill bit according to claim 13, wherein, the surface offsets of the described first end of described cut edge and contiguous described slender axles.
15. augers with replaceable drill bit according to claim 13, wherein, described opening is the first opening, described slender axles also comprise the second opening, this the second limited opening opening shaft, this opening shaft is perpendicular to the described longitudinal axis of described slender axles, and wherein said first securing member is contained in described second opening.
16. 1 kinds of augers with replaceable drill bit comprise:
Slender axles, these slender axles have first end, second end and the longitudinal axis extended between described first end and described second end, described slender axles comprise groove, this groove is in spiral form relative at least partially extension of the described longitudinal axis along described slender axles, described slender axles also comprise the first slit, second slit and opening, the contiguous described first end of described first slit is parallel to the described longitudinal axis and extends and align with the described longitudinal axis, the contiguous described first end of described second slit is essentially perpendicular to the described longitudinal axis and extends, described opening extends from described first slit with the direction being essentially perpendicular to the described longitudinal axis,
Feed screw, this feed screw comprises handle and threaded portion, and described handle is removably contained in described first slit;
Drill bit, this drill bit is removably contained in described second slit on the direction of the described longitudinal axis being parallel to described slender axles, described drill bit is engaged in described feed screw, described drill bit fixed relative to described slender axles by described feed screw, described drill bit comprises cut edge, be arranged on Part I on the side of described feed screw and the Part II on the relative side being arranged on described feed screw; And
Locking fastener, this locking fastener is removably contained in described opening, and described locking fastener engages the described handle of described feed screw, to fix described feed screw relative to described slender axles.
17. augers with replaceable drill bit according to claim 16, wherein, described feed screw comprises rib portion, and this rib portion is close to the edge of described threaded portion, wherein said rib portion engages described drill bit, to be fixed in described second slit by described drill bit at least in part.
18. augers with replaceable drill bit according to claim 16, wherein, described handle limits arbor, when described handle is arranged in described first slit, this arbor aligns with the described longitudinal axis, and described handle comprises tangent plane, and this tangent plane forms acute angle relative to described arbor, and wherein said locking fastener engages described tangent plane, so that described feed screw is fixed in described first slit.
19. augers with replaceable drill bit according to claim 16, wherein, described drill bit engages with the threaded portion of described feed screw, and forms a part for described threaded portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361759861P | 2013-02-01 | 2013-02-01 | |
| US61/759,861 | 2013-02-01 | ||
| PCT/US2014/014249 WO2014121117A1 (en) | 2013-02-01 | 2014-01-31 | Auger bit with replaceable cutting bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205218137U true CN205218137U (en) | 2016-05-11 |
Family
ID=51258344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201490000304.1U Expired - Lifetime CN205218137U (en) | 2013-02-01 | 2014-01-31 | Spiral bit with can replace drill bit |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9500038B2 (en) |
| CN (1) | CN205218137U (en) |
| WO (1) | WO2014121117A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8328477B2 (en) | 2006-03-02 | 2012-12-11 | Milwaukee Electric Tool Corporation | Cutting tool |
| US11007583B2 (en) * | 2016-02-14 | 2021-05-18 | Hongjia Wang | Twist drill |
| CN109152623A (en) * | 2016-03-21 | 2019-01-04 | 黄迪熙 | Dismountable medical cutting tool |
| USD859483S1 (en) | 2016-12-06 | 2019-09-10 | Milwaukee Electric Tool Corporation | Drill bit |
| US10744671B2 (en) | 2018-03-21 | 2020-08-18 | Milwaukee Electric Tool Corporation | Auger |
| USD1009105S1 (en) * | 2021-09-08 | 2023-12-26 | Apex Brands, Inc. | Tri-paddle bit |
Family Cites Families (269)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US371954A (en) | 1887-10-25 | Chuck | ||
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-
2014
- 2014-01-31 CN CN201490000304.1U patent/CN205218137U/en not_active Expired - Lifetime
- 2014-01-31 US US14/170,286 patent/US9500038B2/en active Active
- 2014-01-31 WO PCT/US2014/014249 patent/WO2014121117A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| US20140216825A1 (en) | 2014-08-07 |
| WO2014121117A1 (en) | 2014-08-07 |
| US9500038B2 (en) | 2016-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20160511 |